{"product_id":"18-awg-thermostat-cable-300v-cl3r-solid-copper-uv-resistant","title":"18 AWG Thermostat Cable 300V CL3R - Solid Copper, UV Resistant","description":"\u003cp\u003eIn this review the focus is on a straightforward, no-frills wiring option for residential HVAC, doorbells and low-voltage signal work. The Syston 18 AWG thermostat cable stands out because it uses 100% solid pure copper conductors and a CL3R\/FT4\/CMR riser-rated jacket, which together deliver reliable conductivity and a safety-minded insulation rating. For installers and homeowners who need a durable, sunlight-resistant thermostat or doorbell run that is easy to pull and terminate, this cable is an attractive, practical choice.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePure Copper Conductors:\u003c\/strong\u003e Solid copper conductors provide consistent conductivity and lower resistance for dependable thermostat and signal performance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e300V CL3R Rating:\u003c\/strong\u003e The 300V insulation and Class 3 rating give a strong safety margin for low-voltage thermostat, security and audio\/visual uses.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstallation-Friendly Jacket:\u003c\/strong\u003e A round, slick jacket with smooth edges and a rip cord makes the cable easy to pull through corners and strip cleanly during installation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSunlight Resistant:\u003c\/strong\u003e The jacket meets UL sunlight resistance requirements so the cable can be routed outdoors where exposure is expected.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRiser-Rated and Listed:\u003c\/strong\u003e CL3R\/FT4\/CMR riser rating and UL\/ETL listing support code-compliant installations in many indoor vertical runs.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRoHS Compliant:\u003c\/strong\u003e The cable is RoHS compliant, reducing hazardous substances and improving environmental safety.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWho It's For\u003c\/h2\u003e\n\u003cp\u003eThe cable suits HVAC technicians, electricians and DIY homeowners who install thermostats, doorbells, intercoms, or alarm systems and want a solid copper conductor for reliability. It is particularly useful where a durable, sun-resistant jacket and a 300V rating help meet local code needs for low-voltage control wiring.\u003c\/p\u003e\n\u003cp\u003eThose who should look elsewhere include installers seeking multi-conductor stranded cable for high-flex applications or projects that specifically require shielded cable for noise-sensitive audio runs. Also, if true outdoor burial-rated or direct-burial cable is required, a different product designed for direct earth contact would be preferable.\u003c\/p\u003e\n\u003ch2\u003ePros \u0026amp; Cons\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003ePros\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eSolid pure copper conductors deliver reliable conductivity and long-term durability for controls and signal lines.\u003c\/li\u003e\n\u003cli\u003e300V CL3R\/CMR riser-rated insulation and UL\/ETL listing provide a high safety margin for low-voltage applications.\u003c\/li\u003e\n\u003cli\u003eSmooth, round jacket with rip cord makes routing and stripping faster and easier on tight pulls.\u003c\/li\u003e\n\u003cli\u003eSunlight resistance and RoHS compliance add outdoor suitability and environmental safety.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eCons\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eSome users note mixed impressions of thickness; while sturdier than cheap alternatives, it may feel thinner than other heavy-duty control cables.\u003c\/li\u003e\n\u003cli\u003eNot intended as a replacement for shielded or direct-burial specialty cables where those specific features are required.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eConductor\u003c\/td\u003e\n\u003ctd\u003e100% solid pure copper, 18 AWG\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVoltage Rating\u003c\/td\u003e\n\u003ctd\u003e300V (Class 3)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRatings\u003c\/td\u003e\n\u003ctd\u003eCL3R \/ FT4 \/ CMR riser-rated, UL\/ETL listed\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutdoor Use\u003c\/td\u003e\n\u003ctd\u003eSunlight resistant jacket for indoor\/outdoor routing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInstallation Features\u003c\/td\u003e\n\u003ctd\u003eRound slick jacket with rip cord for easy pull and strip\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCompliance\u003c\/td\u003e\n\u003ctd\u003eRoHS compliant\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch2\u003eOur Verdict\u003c\/h2\u003e\n\u003cp\u003eThe Syston 18 AWG thermostat cable is a sensible, cost-effective choice for thermostats, doorbells and low-voltage signal wiring where a solid copper conductor and a 300V CL3R rating matter. It combines easy installation features with riser-rated safety and sunlight resistance, making it good value for contractors and homeowners who want dependable, code-conscious wiring without paying for specialty shielding or burial features.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eCan this cable be used outdoors?\u003c\/strong\u003e\u003cbr\u003eYes, the jacket is sunlight resistant and suitable for outdoor routing, but it is not specified as direct-burial cable.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs the conductor solid or stranded?\u003c\/strong\u003e\u003cbr\u003eThe cable uses 100% solid pure copper conductors, which provide reliable conductivity for thermostat and signal circuits.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWill this work with smart thermostats and doorbell transformers?\u003c\/strong\u003e\u003cbr\u003eYes, the 18 AWG solid copper conductors and 300V rating make it compatible with smart thermostats and typical doorbell transformer installations.\u003c\/p\u003e","brand":"Syston Cable Technology","offers":[{"title":"Default Title","offer_id":48612297769179,"sku":"B0D7CJ5NDV","price":106.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/5189-3yF0cL._SL1500_69b01c60-dfbd-4f9d-86d7-ebe163c9f00e.jpg?v=1778584415","url":"https:\/\/gearmusthave.com\/products\/18-awg-thermostat-cable-300v-cl3r-solid-copper-uv-resistant","provider":"GearMustHave","version":"1.0","type":"link"}